In a P-V diagram (for an ideal gas), an isothermal curve will coincide withan adiabatic curve (through a point), when
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Chemical Engineering · all questionsChemical Engineering Thermodynamics
Chemical Engineering Thermodynamics
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The shape of T-S diagram for Carnot Cycle is a
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With increase in compression ratio, the efficiency of the otto engine
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What is the degree of freedom for a system comprising liquid water equilibrium with its vapour?
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__________ functions are exemplified by heat and work.
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A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P1 and P2. (where, P1 and P2 are initial and final pressures respectively)
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Helmholtz free energy (A) is defined as
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Gibbs free energy (F) is defined as
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A system is said to be at equilibrium, if the entropy of the system has reached __________ value.
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In the reaction, C + O2 → CO2; ΔH = -94 kcal. What is the heat content (enthalpy) of O2?
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The Maxwell relation derived from the differential expression for the Helmholtz free energy (dA) is
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Which of the following processes can not be made reversible even under ideal condition of operation?
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Heat is added at constant pressure in an ideal __________ cycle.
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Heat is added at constant temperature in an ideal __________ cycle.
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The standard state of a gas (at a given temperature) is the state in which fugacity is equal to
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For a constant volume process __________ by the system is used only to increase the internal energy.
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Which of the following is not a common refrigerant?
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Which of the following is not a reversible process ?
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For spontaneous changes in an isolated system (S = entropy)
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A gas performs the maximum work, when it expands
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